Insufficient privileges error when trying to access Azure Graph APIs

Question

I have set up an Azure AD application that I want to use with my web application. I have obtained an oAuth token using the following steps:

First I requested my aut

Answer 1

In my case, I had to delete the Azure AD App Registrations that I created in the New Portal and re-create them in the Classic Portal. After doing this, the "insufficient privileges" error went away and everything worked fine.

As a prerequisite, make sure you are added as a co-admin to your subscription from the classic portal as well, otherwise Azure won't even let you into the Classic Portal anymore.

Seems like Microsoft still has some issues to hammer out with the New Portal...